652537444 has 48 divisors (see below), whose sum is σ = 1298868480. Its totient is φ = 284359680.

The previous prime is 652537441. The next prime is 652537477. The reversal of 652537444 is 444735256.

It is a junction number, because it is equal to n+sod(n) for n = 652537397 and 652537406.

It is not an unprimeable number, because it can be changed into a prime (652537441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347829 + ... + 349699.

It is an arithmetic number, because the mean of its divisors is an integer number (27059760).

Almost surely, 2^652537444 is an apocalyptic number.

It is an amenable number.

652537444 is a deficient number, since it is larger than the sum of its proper divisors (646331036).

652537444 is a wasteful number, since it uses less digits than its factorization.

652537444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its digits is 403200, while the sum is 40.

The square root of 652537444 is about 25544.8124675050. The cubic root of 652537444 is about 867.3648382688.

The spelling of 652537444 in words is "six hundred fifty-two million, five hundred thirty-seven thousand, four hundred forty-four".